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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/183449
Dynamical Organization of Recollisions by a Family of Invariant Tori
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Abstract
We consider the motion of an electron in an atom subjected to a strong linearly polarized laser field. We identify the invariant structures organizing a very specific subset of trajectories, namely, recollisions. Recollisions are trajectories which first escape the ionic core (i.e., ionize) and later return to this ionic core, for instance, to transfer the energy gained during the large excursion away from the core to bound electrons. We consider the role played by the directions transverse to the polarization direction in the recollision process. We compute the family of two-dimensional invariant tori associated with a specific hyperbolic-elliptic periodic orbit and their stable and unstable manifolds. We show that these manifolds organize recollisions in phase space.
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DUBOIS, Jonathan, et al. Dynamical Organization of Recollisions by a Family of Invariant Tori. SIAM Journal On Applied Dynamical Systems. 2022. Vol. 21, num. 1, pags. 523-541. ISSN 1536-0040. [consulted: 17 of August of 2026]. Available at: https://hdl.handle.net/2445/183449